diisobutylaluminium hydride in toluene Yield given;

1: 1.) diisopropylamine, n-butyllithium; 2.) HMPA / 1.) THF, hexane, 0 deg C, 15 min; 2.) THF, -78 -> 25 deg C, 1.5 h 2: 1.) lithium aluminium hydride; 2.) water, 2 N HCl / 1.) ether, 25 deg C, 30 min; 2.) 30 min View Scheme

1: 1.) diisopropylamine, n-butyllithium; 2.) HMPA / 1.) THF, hexane, 0 deg C, 15 min; 2.) THF, -78 -> 25 deg C, 1.5 h 2: 1.) lithium aluminium hydride; 2.) water, 2 N HCl / 1.) ether, 25 deg C, 30 min; 2.) 30 min View Scheme

hydrogenchloride; lithium aluminium tetrahydride; lithium diisopropyl amide Yield given. Multistep reaction;